3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php echo (int)version_compare(PHP_VERSION, '5.3.6', '>='); //var_export(version_compare(PHP_VERSION, '5.3.6', '>=') ? debug_backtrace(DEBUG_BACKTRACE_IGNORE_ARGS) : debug_backtrace());
Output for 5.3.6 - 5.6.28, hhvm-3.10.0 - 3.13.2, 7.0.0 - 7.1.0
1
Output for 4.3.0 - 5.0.5, 5.1.1 - 5.3.5
0
Output for 5.1.0
Fatal error: fatal flex scanner internal error--end of buffer missed in /in/lDWtW on line 4
Process exited with code 255.